add editor_font_size in vnote.ini

Change default editor font size to 12.

src/resources/vnote.ini

@@ -13,6 +13,7 @@ highlight_searched_word=1
 current_background_color=System
 current_render_background_color=System
 language=System
+editor_font_size=12
 
 [predefined_colors]
 1\name=White

src/vconfigmanager.cpp

@@ -35,7 +35,11 @@ void VConfigManager::initialize()
     userSettings = new QSettings(QSettings::IniFormat, QSettings::UserScope, orgName, appName);
     defaultSettings = new QSettings(defaultConfigFilePath, QSettings::IniFormat);
 
-    baseEditFont.setPointSize(11);
+    m_editorFontSize = getConfigFromSettings("global", "editor_font_size").toInt();
+    if (m_editorFontSize <= 0) {
+        m_editorFontSize = 12;
+    }
+    baseEditFont.setPointSize(m_editorFontSize);
     baseEditPalette = QTextEdit().palette();
 
     welcomePagePath = getConfigFromSettings("global", "welcome_page_path").toString();

src/vconfigmanager.h

@@ -130,6 +130,7 @@ private:
     // Update baseEditPalette according to curBackgroundColor
     void updatePaletteColor();
 
+    int m_editorFontSize;
     QFont baseEditFont;
     QPalette baseEditPalette;
     QFont mdEditFont;